Physics · Electrical Machines
The maximum power developed in a synchronous motor for a fixed terminal voltage V, induced EMF E, and internal synchronous impedance angle θ will be: (Given V is voltage per phase, E is induced EMF per phase, Zs is synchronous impedance, and θ is the internal angle of synchronous impedance.)
- 1EV2Zs
- 2EVZs
- 3EVZs - E2Zs cos(θ)✓
- 4EVZs2
Correct answer
EVZs - E2Zs cos(θ)
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